---
page_title: ceil function reference
description: |-
  The `ceil` function returns the closest whole number greater than or equal to
  the given value. 
---

# `ceil` Function

`ceil` returns the closest whole number that is greater than or equal to the
given value, which may be a fraction.

## Examples

```shell-session
> ceil(5)
5
> ceil(5.1)
6
```

## Related Functions

- [`floor`](/packer/docs/templates/hcl_templates/functions/numeric/floor), which rounds to the nearest whole number _less than_
  or equal.
